JP7835768B2 - 信号処理装置、音波システム、及び車両 - Google Patents

信号処理装置、音波システム、及び車両

Info

Publication number
JP7835768B2
JP7835768B2 JP2023543721A JP2023543721A JP7835768B2 JP 7835768 B2 JP7835768 B2 JP 7835768B2 JP 2023543721 A JP2023543721 A JP 2023543721A JP 2023543721 A JP2023543721 A JP 2023543721A JP 7835768 B2 JP7835768 B2 JP 7835768B2
Authority
JP
Japan
Prior art keywords
signal
reflected wave
wave
transmission
waves
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2023543721A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023026667A1 (https=
JPWO2023026667A5 (https=
Inventor
尚吾 ▲高▼村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohm Co Ltd
Original Assignee
Rohm Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of JPWO2023026667A1 publication Critical patent/JPWO2023026667A1/ja
Publication of JPWO2023026667A5 publication Critical patent/JPWO2023026667A5/ja
Application granted granted Critical
Publication of JP7835768B2 publication Critical patent/JP7835768B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/102—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics
    • G01S15/108—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics using more than one pulse per sonar period
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/102—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics
    • G01S15/104—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
    • G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/524—Transmitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals
    • G01S7/5273—Extracting wanted echo signals using digital techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP2023543721A 2021-08-25 2022-06-24 信号処理装置、音波システム、及び車両 Active JP7835768B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021136764 2021-08-25
JP2021136764 2021-08-25
PCT/JP2022/025242 WO2023026667A1 (ja) 2021-08-25 2022-06-24 信号処理装置、音波システム、及び車両

Publications (3)

Publication Number Publication Date
JPWO2023026667A1 JPWO2023026667A1 (https=) 2023-03-02
JPWO2023026667A5 JPWO2023026667A5 (https=) 2024-05-20
JP7835768B2 true JP7835768B2 (ja) 2026-03-25

Family

ID=85322721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023543721A Active JP7835768B2 (ja) 2021-08-25 2022-06-24 信号処理装置、音波システム、及び車両

Country Status (4)

Country Link
US (1) US20240241251A1 (https=)
JP (1) JP7835768B2 (https=)
CN (1) CN117859073A (https=)
WO (1) WO2023026667A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012220435A (ja) 2011-04-13 2012-11-12 Panasonic Corp 物体検知装置
JP2014035323A (ja) 2012-08-10 2014-02-24 Rohm Co Ltd 送信回路、半導体装置、超音波センサ、車両
US20200233071A1 (en) 2019-01-23 2020-07-23 Semiconductor Components Industries, Llc Detection of noise-induced ultrasonic sensor blindness
JP2020148701A (ja) 2019-03-15 2020-09-17 ローム株式会社 音波処理装置、および超音波システム

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6413623B2 (ja) * 2014-10-22 2018-10-31 株式会社Ｓｏｋｅｎ 障害物検出装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012220435A (ja) 2011-04-13 2012-11-12 Panasonic Corp 物体検知装置
JP2014035323A (ja) 2012-08-10 2014-02-24 Rohm Co Ltd 送信回路、半導体装置、超音波センサ、車両
US20200233071A1 (en) 2019-01-23 2020-07-23 Semiconductor Components Industries, Llc Detection of noise-induced ultrasonic sensor blindness
JP2020148701A (ja) 2019-03-15 2020-09-17 ローム株式会社 音波処理装置、および超音波システム

Also Published As

Publication number Publication date
JPWO2023026667A1 (https=) 2023-03-02
US20240241251A1 (en) 2024-07-18
CN117859073A (zh) 2024-04-09
WO2023026667A1 (ja) 2023-03-02

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